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2010 AIME I Question 1

AIME · 2010 AIME I

Question 1

Maya lists all the positive divisors of $2010^2.$ She then randomly selects two distinct divisors from this list. Let $p$ be the probability that exactly one of the selected divisors is a perfect square. The probability $p$ can be expressed in the form $\frac{m}{n},$ where $m$ and $n$ are relatively prime positive integers. Find $m + n.$